/*
The density of a network is a measure of how many edges exist proportional to
how many edges would exist in a complete network (where all possible edges).
https://networkx.org/documentation/networkx-1.9/reference/generated/networkx.classes.function.density.html
*/
function density( numberOfNodes, numberOfEdges, isDirected = false ) {
  const multi = isDirected ? 1 : 2
  return ( multi * numberOfEdges ) / ( numberOfNodes * ( numberOfNodes - 1 ) )
}

console.log( density( 10, 2 ) )
